40680042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521539}}^1$

素因数の和:521557

約数の個数: 16

約数和(自身を含む): 87618720

約数和(自身を除く): 46938678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 521539, 1043078, 1564617, 3129234, 6780007, 13560014, 20340021, 40680042]

約数ペア:

[(1, 40680042), (2, 20340021), (3, 13560014), (6, 6780007), (13, 3129234), (26, 1564617), (39, 1043078), (78, 521539)]